News tagged with laser energy

What is the geometry of the universe?

One of the big questions in cosmology regards the shape of the universe. "Shape" in this case is not the distribution of galaxies, but rather the shape of space and time itself. In general relativity, space ...

Sep 24, 2014
4.5 / 5 (54) 41

Could solar wind power Earth?

(PhysOrg.com) -- As we strive to find sources of alternative energy, a number of researchers continue to look to what we consider the ultimate in renewable energy -- the sun. However, on earth creating efficient ...

Oct 04, 2010 weblog
4 / 5 (29) 24 | with audio podcast

Creating time crystals with a rotating ion ring

(Phys.org) —There has been a lot of talk recently about the possibility of building what has come to be known as a time crystal. In February 2012, Frank Wilczek originally proposed the idea that under certain conditions, physical structure ...

May 03, 2013 report
4.6 / 5 (24) 31 | with audio podcast